/**
 * Copyright 2026 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { CallSettings } from '../gax';
/**
 * Checks if telemetry tracing is enabled.
 *
 * Tracing is only enabled via the `GOOGLE_SDK_NODE_ENABLE_TRACING` environment
 * variable or when a user passes `enableTelemetryTracing: true` in their client options.
 * If `GOOGLE_SDK_NODE_ENABLE_TRACING` is explicitly set, it takes precedence over
 * the client option.
 *
 * @param settings
 * @returns true if telemetry tracing is enabled, false otherwise
 */
export declare function checkTelemetryEnabled(settings?: CallSettings): boolean;